Finding the Fourth Proportional to 263,163.67, 394,811.26 and 76,175.17
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Solution
The fourth proportional to 263,163.67, 394,811.26 and 76,175.17 is: 114,281.79
Step by Step Solution
- Step 1: Write the proportion equation
263,163.67 : 394,811.26 = 76,175.17 : x - Step 2: Convert to fraction form
263,163.67/394,811.26 = 76,175.17/x - Step 3: Cross multiply
263,163.67x = 394,811.26 × 76,175.17 - Step 4: Simplify right side
263,163.67x = 30,074,813,670.95 - Step 5: Solve for x
x = 30,074,813,670.95/263,163.67 - Step 6: Final answer
x = 114,281.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.